Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mach cua ong snippets" » "manh cua ong snippets", "cach cua ong snippets", "sach cua ong snippets", "mach cua cong snippets", "mach cua dong snippets", "mach cua song snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mach cua ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mach cua ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mach cua ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mach cua ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.